1. Accurate GPS positioning: the use of global satellite navigation system to ensure that no matter where the user is, can provide accurate location information.2. Integrated compass function: The integrated design allows you to easily understand your current direction and provide direction for your journey without switching devices.3. Real-time speed measurement: It can measure and display your speed in real time, help you better control your speed during driving, and make the journey safer.4. HUD display: using helmet-mounted display (HUD) technology, the information display is directly in front of the driver's line of sight, without looking down at the device, improving driving safety.5. User-friendly design: The design is simple and easy to understand, and it can be easily used without complicated operations. Adapt to a variety of weather and light conditions, regardless of day and night can be clearly visible.Colour:blackMaterial:plasticnote:With car bracketPackage Contents:1 * Digital Speedometer1 * USB Cable1 * Mount1 * English instruction manualOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.